NEET Chemistry States Of Matter Kinetic Theory & K.E MCQs

    Prepare for NEET Chemistry States Of Matter (Kinetic Theory & K.E) with MCQs & PYQs on NEET.GUIDE. Access free practice, previous year questions, and expert explanations to relate molecular motion to temperature and energy.

    NEET Questions / Chemistry / States Of Matter / Kinetic Theory & K.E

    62.

    If a gas is expanded at constant temperature

    A

    Number of molecules of the gas decreases

    B

    The kinetic energy of the molecules decreases

    C

    The kinetic energy of the molecules remains the same

    D

    The kinetic energy of the molecules increases

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    63.

    Which is valid at absolute zero?

    A

    KEKE of the gas becomes zero, but molecular motion does not become zero

    B

    KEKE of the molecules becomes zero and the molecular motion also becomes zero

    C

    KEKE of the gas decreases but does not become zero

    D

    None of the above

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    68.

    For 1 mole of gas, the average kinetic energy is given as E. The urms{u_{{\rm{rms}}}} of gas is:

    A

    [2EM]1/2{\left[ {\frac{{2E}}{M}} \right]^{1/2}}

    B

    [3EM]1/2{\left[ {\frac{{3E}}{M}} \right]^{1/2}}

    C

    [2E3M]1/2{\left[ {\frac{{2E}}{{3M}}} \right]^{1/2}}

    D

    [3E2M]1/2{\left[ {\frac{{3E}}{{2M}}} \right]^{1/2}}

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    70.

    For 1 mole of gas, the average kinetic energy is given as E. The urms{u_{{\rm{rms}}}} of gas is:

    A

    [2EM]1/2{\left[ {\frac{{2E}}{M}} \right]^{1/2}}

    B

    [3EM]1/2{\left[ {\frac{{3E}}{M}} \right]^{1/2}}

    C

    [2E3M]1/2{\left[ {\frac{{2E}}{{3M}}} \right]^{1/2}}

    D

    [3E2M]1/2{\left[ {\frac{{3E}}{{2M}}} \right]^{1/2}}

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    Showing 61 to 70 of 81 entries

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